Weight
15 pounds
PBA Approval Date
Release Date
Discontinued
The SD-73™ Bowling Ball: The Bowling Ball that caused the BIGGEST controversy in PBA tour history.
Factory Finish
800 Matte
Sure Grip Solid Coverstock
Type
Solid Reactive
High density cylinder with "flip" block Core
Core Type
Symmetric
16 pounds
RG
2.500
Diff
0.071
15 pounds
RG
2.510
Diff
0.073
14 pounds
RG
2.570
Diff
0.051
13 pounds
RG
2.600
Diff
0.032
12 pounds
RG
2.600
Diff
0.032
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